Tower fan



FIG. 1 is a front perspective view of a tower fan showing my new design;

FIG. 2 is a front elevational view of the tower fan shown in FIG. 1;

FIG. 3 is a rear elevational view of the tower fan shown in FIG. 1;

FIG. 4 is a left-side elevational view of the tower fan shown in FIG. 1;

FIG. 5 is a right-side elevational view of the tower fan shown in FIG. 1;

FIG. 6 is a top plan view of the tower fan shown FIG. 1; and,

FIG. 7 is a bottom plan view of the tower fan shown in FIG. 1.

The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a tower fan, as shown and described. 